Insert the missing number in the given series

Insert the missing number in the given series: 165,195,255,285,345,(.......) The options given are : A.375 B.420 C.435 D.390

Pooja
18 Jul
4 Answers

4 Answers

- Pratyushha
- 18 Jul
375
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  Bhanvi
- 17 Jul
375
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  Ishani
- 13 Jul
(A) is the correct option.

clearly,
195-165=30
255-195=60
285-255=30
345-285=60
therefore if the next number is x, then
x-345=30
i.e., x=345+30=375
hence, the ans is 375.
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- Atluri
- 08 Jul
Hi Pooja!This is Neeraj Atluri.The missing number in the sequence is
195-165=30
255-195=60
285-255=30
345-285=60
so the sequence of difference between numbers varies by 30 and 60 in order.So the next upcoming number in the sequence is 345+30=375
Option "A"
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